v3.19.2
Document and Entity Information
Aug. 12, 2019
Entity Information [Line Items]  
Entity Central Index Key 0001711269
Document Type 8-K
Document Period End Date Aug. 12, 2019
Entity Registrant Name Evergy, Inc.
Entity Incorporation, State or Country Code MO
Entity File Number 001-38515
Entity Tax Identification Number 82-2733395
Entity Address, Address Line One 1200 Main Street
Entity Address, City or Town Kansas City
Entity Address, State or Province MO
Entity Address, Postal Zip Code 64105
City Area Code 816
Local Phone Number 556-2200
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Title of 12(b) Security Evergy, Inc. common stock
Trading Symbol EVRG
Security Exchange Name NYSE
Amendment Flag false
Westar Energy Inc  
Entity Information [Line Items]  
Entity Central Index Key 0000054507
Entity Registrant Name Westar Energy, Inc.
Entity Incorporation, State or Country Code KS
Entity File Number 001-03523
Entity Tax Identification Number 48-0290150
Entity Address, Address Line One 818 South Kansas Avenue
Entity Address, City or Town Topeka
Entity Address, State or Province KS
Entity Address, Postal Zip Code 66612
City Area Code 785
Local Phone Number 575-6300